MEDIUM
8th CBSE
IMPORTANT
Earn 100

Describe an experiment to prove that white light is made up of light of seven colours.

Important Questions on Refraction of Light

EASY
8th CBSE
IMPORTANT
Refraction is caused by a change in the _____ of light.
MEDIUM
8th CBSE
IMPORTANT
Draw a labelled diagram of the eye. Explain how light enters the eye, how and where the image is formed and how the image is transmitted to the brain.
MEDIUM
8th CBSE
IMPORTANT
List five guidelines we should follow to care for our eyes.
MEDIUM
8th CBSE
IMPORTANT
Why is a spectrum formed by a prism and not by a glass slab?
MEDIUM
8th CBSE
IMPORTANT
Under white light, what colour will an object appear to be in the following case?
It reflects all colours.
MEDIUM
8th CBSE
IMPORTANT
Under white light, what colour will an object appear to be in the following case?
It absorbs all colours.
MEDIUM
8th CBSE
IMPORTANT

Under white light, what colour will an object appear to be in the following case?

It reflects green light and absorbs other colours.

MEDIUM
8th CBSE
IMPORTANT
Under white light, what colour will an object appear to be in the following case?
(iv) It reflects red light and absorbs other colours.